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Network request detail

browser_network_detail

Inspect a single CDPM browser request's headers, sent data, and response body by its network ID to debug API calls.

Instructions

Shows one request's headers, sent data and response body (start of it, if text). id is the n-number from browser_network.

Input Schema

NameRequiredDescriptionDefault
idYesRequest number (e.g. "n12")
tabNoTarget tab: number (1, 2…) or ID ("t7"). Use the stable ID when agents share a slot. Required for action tools when there are multiple tabs.
bodyNoInclude response body (default true)
slotYesBrowser slot 1-30. "3", "slot 3", "browser 3" → 3. If the user gives a port like 14052, subtract 14049.
agentNoYour display name, shown to other agents. Subagents must always set it. Default "claude-1e1b".
multiSlotNotrue only when one agent must handle several slots together (e.g. comparing). Normally omit (one agent = one slot; use subagents for the rest)

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.1.10
    • changedInput schema / properties / agent / description
      Previous value: -"Your display name, shown to other agents. Subagents must always set it. Default \"claude-68d9\"."New value: +"Your display name, shown to other agents. Subagents must always set it. Default \"claude-1e1b\"."
  2. First observedv0.1.0

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries more burden. It usefully discloses that response bodies are truncated ('start of it, if text') and that body is included by default, but says nothing about read-only nature, size limits, or how non-text responses are handled.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with zero waste; the core behavior is front-loaded and the id-provenance note follows immediately. Nothing is padded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a read-only inspection tool with fully documented parameters and no output schema, the description adequately sketches the return content (headers, sent data, response body) and flags body truncation. Slight gaps remain around non-text responses and pagination/size limits, but the essentials are covered.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents all six parameters well, including slot normalization and tab ID guidance. The description adds only the cross-reference that id comes from browser_network and restates body's effect; baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb (shows) and resource (one request's headers, sent data, response body), and scopes it to a single request id, which cleanly distinguishes it from the sibling browser_network that lists requests. The truncation note ('start of it, if text') is a precise scope qualifier.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'id is the n-number from browser_network' establishes the precondition and effectively routes the agent from the listing tool to this detail tool. It stops short of an explicit when-to-use/when-not statement, but the dependency is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.